Finding the Fourth Proportional to 109.32, 150.82 and 70.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109.32 : 150.82 = 70.52 : x
2. Step 2: Convert to fraction form
   109.32/150.82 = 70.52/x
3. Step 3: Cross multiply
   109.32x = 150.82 × 70.52
4. Step 4: Simplify right side
   109.32x = 10,635.83
5. Step 5: Solve for x
   x = 10,635.83/109.32
6. Step 6: Final answer
   x = 97.29